SCIENCE-ADVERTISEMENTS 



A INBW MBTHOD 



FOR THE 



DETBRMIINATIOIS OH URBA 



IN 



URIINE OR BUOOD 



ARLCO=UREASE is a dry, soluble Powder, active and standardized, 

 prepared after Van Slyke's method and containing the urea-splitting 

 enzyme of the soy bean. 



Samples and literature on request. 



Manufactured only by 



The Arlington OHen^ical Oo., 



Yonkers, IN. V. 



Standard Laboratory Manuals 



Methods in Plant Histology 



With Illustrations. By CsAKLES Joseph Chamberlain, Associate Professor of Botany in the Uniyersity of 

 Chicago 272 pages, 8vo, cloth; price $2.25, postage extra (weight 28 oz.). 

 Education. It is an excellent book for the individual worker and for classes in colleges. 



Animal Micrology 



By Michael F. Gdyke, Professor of Zoology in the Uniyersity of Cincinnati. 250 pages, Syo, cloth; price 

 $1.75, postage extra (weight 26 oz.) 

 Science. A concise, eminently practical, and well-classified treatment. 



A Laboratory Guide in Bacteriology 



By Paul G. Heinemann, Instructor in Bacteriology in the University of Chicago. 216 pages, 12mo, cloth; 

 price $1.50. postage extra (weight 18 oz.). 



Ajnerican Journal of Medical Sciences. A book such as thismust facilitate very greatly the practical class wort, 

 for which it is most excellently adapted. 



Neurological Technique 



By Irving Hakdesty, Professor of Anatomy in Tulane University. 196 pages, 8vo, cloth; price $1.75, postage 

 extra (weight 24 oz.). 

 British Medical Journal. The instructions are thoroughly practical. 



Laboratory Outlines for the Study of the Embryology of the 

 Chick and the Pig 



By Frank R. Lillie, Professor of Embryology in the University of Chicago. 48 pages, paper; price 27 cents 

 postpaid. 



A valuable contribution toward the establishment of astandard of embryological work forstudents generally, 

 and for others desiring a convenient guide to the order of study of this subject. 



THE UNIVERSITY OF CHICAGO PRESS - - Chicago, Illinois 



AGENTS 

 The Baker & Taylor Company, New York 



The Cambridge University Prets, London and Edinburgh 



Karl W. Hlersemann, Leipzig 



The Maruzen-KabuBhlkl-KalsiiB, Tokyo, Osaka, Kyoto 



